Patents by Inventor Koji Ichikawa

Koji Ichikawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11556056
    Abstract: A salt represented by formula (I): wherein Q1 and Q2 each independently represent a fluorine atom or a C1 to C6 perfluoroalkyl group, R1 and R2 each independently represent a hydrogen atom, a fluorine atom or a C1 to C6 perfluoroalkyl group, z represents an integer of 0 to 6, X1 represents *—O—, *—CO—O— or *—O—CO—, * represents a binding site to CR1R2 or CQ1Q2, L1 represents a C1 to C6 alkanediyl group, R3 represents a C5 to C18 alicyclic hydrocarbon group in which a hydrogen atom may be replaced by a hydroxy group, and in which a methylene group may be replaced by an oxygen atom or a carbonyl group, and which alicyclic hydrocarbon group may have a cyclic ketal structure optionally having a fluorine atom; and Z+ represents an organic cation.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: January 17, 2023
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yukako Anryu, Mitsuyoshi Ochiai, Koji Ichikawa
  • Patent number: 11548961
    Abstract: Disclosed are a compound represented by formula (I), a resin including a structural unit derived from the compound, and a resist composition: wherein R1 represents an alkyl group which may have a halogen atom, a hydrogen atom or a halogen atom; A1 represents a single bond or *-A2-CO—O—; A2 and A3 represent an alkanediyl group; W represents a divalent monocyclic saturated alicyclic hydrocarbon group; R2 and R3 each represent a hydrogen atom or a hydrocarbon group which may have a fluorine atom, etc., R4 represents a hydrogen atom, —CH2— in the group may be replaced by —O—, —S—, etc., R2 and R3, or R2, R3 and R4 may be bonded each other to form a ring which may have a fluorine atom or an alkyl group.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: January 10, 2023
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Katsuhiro Komuro, Koji Ichikawa
  • Patent number: 11550219
    Abstract: Disclosed are a salt represented by formula (I), and a method for producing the salt, and a quencher and a resist composition comprising the same: wherein R1 and R2 each represent a hydrocarbon group, and —CH2— included in the hydrocarbon group may be replaced by —O— or —CO—; R3, R4 and R5 each represent a halogen atom, an alkyl fluoride group or a hydrocarbon group, and —CH2— included in the hydrocarbon group may be replaced by —O— or —CO—; m3 represents an integer of 0 to 2, and when m3 is 2, two R3 may be the same or different from each other; and m4 and m5 represent an integer of 0 to 5, and when m4 and/or m5 is/are 2 or more, a plurality of R4 and/or a plurality of R5 may be the same or different from each other.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: January 10, 2023
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Katsuhiro Komuro, Yuki Takahashi, Koji Ichikawa
  • Patent number: 11550218
    Abstract: A salt capable of producing a resist pattern with excellent line edge roughness is represented by formula (I): wherein, R1 represents —(X1—O)o—R5, and o represents an integer of 0 to 6, R5 represents a hydrocarbon group having 1 to 12 carbon atoms, X1 represents a divalent hydrocarbon group having 2 to 12 carbon atoms, R2 represents an alkyl group having 1 to 12 carbon atoms or the like, I represents an integer of 0 to 3, and when I is 2 or more, a plurality of R2 may be the same or different from each other, R3 and R4 each represent a hydrogen atom or the like, m and n each represent 1 or 2, X0 represents a single bond, —CH2—, —O— or —S—, and R6 and R7 each represent an alkyl group having 1 to 4 carbon atoms which has a fluorine atom or the like.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: January 10, 2023
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yukako Anryu, Koji Ichikawa
  • Publication number: 20230004084
    Abstract: Disclosed are a salt represented by formula (I), an acid generator, and a resist composition: wherein R1, R2 and R3 each represent a hydroxy group, *—O—R10, *—O-L10-CO—O—R10, etc.; L10 represents an alkanediyl group; R10 represents an acid-labile group; R4 to R9 each represent a halogen atom, a haloalkyl group, etc.; A1, A2 and A3 each represent a hydrocarbon group, etc.; m1 and m7 represent an integer of 0 to 5, m2 to m6, m8 and m9 represent an integer of 0 to 4, 0?m1+m7?5, 0?m2+m8?4, 0?m3+m9?4, and at least one of m1, m2 and m3 represents an integer of 1 or more; X4 represents a single bond, —CH2—, etc.; and Al? represents an organic anion.
    Type: Application
    Filed: April 27, 2022
    Publication date: January 5, 2023
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Katsuhiro KOMURO, Koji ICHIKAWA
  • Publication number: 20220413383
    Abstract: Disclosed are a salt represented by formula (I), an acid generator, and a resist composition comprising the same: wherein R1 and R2 each represent a hydroxy group, *—O—R10, *—O-L10-CO—O—R10; L10 represents an alkanediyl group; R10 represents an acid-labile group; R4, R5, R7 and R8 each represent a halogen atom, a haloalkyl group or a hydrocarbon group; A1 and A2 each represent a hydrocarbon group, the hydrocarbon group may have a substituent, and —CH2— included in the hydrocarbon group may be replaced by —O—, —CO—, —S— or —SO2—; m1 represents an integer of 1 to 5, m2 and m8 represent an integer of 0 to 5, m4, m5 and m7 represent an integer of 0 to 4, 1?m1+m7?5, 0?m2+m8?5; and AI? represents an organic anion.
    Type: Application
    Filed: May 26, 2022
    Publication date: December 29, 2022
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Katsuhiro KOMURO, Koji ICHIKAWA
  • Publication number: 20220372012
    Abstract: Provided are a salt capable of producing a resist pattern with satisfactory CD Uniformity (CDU), an acid generator, and a resist composition. Disclosed are a salt represented by formula (I), an acid generator, and a resist composition: wherein, in formula (I), R4, R5, R6, R7, R8 and R9 each represent a halogen atom, a haloalkyl group, etc.; A1, A2 and A3 each represent a hydrocarbon group, etc.; m1 and m4, m5, m6 and m7 represent an integer of 0 to 5, m2, m3, m8 and m9 represent an integer of 0 to 4, 0?m1+m7?5, 0?m2+m8?4, 0?m3+m9?4, and at least one of m1, m2 and m3 represents an integer of 1 or more; X4 represents a single bond, —CH2—, —O—, —S—, —CO—, —SO— or —SO2—; and AI? represents an organic anion.
    Type: Application
    Filed: April 11, 2022
    Publication date: November 24, 2022
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Katsuhiro KOMURO, Jun OGUMA, Koji ICHIKAWA
  • Patent number: 11505524
    Abstract: A salt represented by formula (I): wherein R1 and R2 each independently represent a hydroxy group, —O—R10, —O—CO—O—R10 or —O-L1-CO—O—R10; L1 represents an alkanediyl group having 1 to 6 carbon atoms; R4, R5, R7 and R8 each independently represent a halogen atom, an alkyl fluoride group having 1 to 12 carbon atoms or a hydrocarbon group having 1 to 18 carbon atoms, the hydrocarbon group may have a substituent, and —CH2— included in the hydrocarbon group may be replaced by —O—, —CO—, —S— or —SO2—; R10 represents an acid-labile group; X1 and X2 each independently represent an oxygen atom or a sulfur atom; m1 represents an integer of 1 to 5, m2 and m8 represent an integer of 0 to 5, m4, m5 and m7 represent an integer of 0 to 4; and AI? represents an organic anion.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: November 22, 2022
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Katsuhiro Komuro, Jun Oguma, Koji Ichikawa
  • Publication number: 20220366801
    Abstract: The present disclosure relates to an information processing device, an information processing method, and a program capable of avoiding a collision with an obstacle more reliably. An avoidance trajectory setting unit sets an avoidance trajectory on which a flying object can avoid a collision with an obstacle on the basis of position information of the flying object and wind speed information of a flight position represented by the position information. The technology according to the present disclosure can be applied to air traffic control devices and drones.
    Type: Application
    Filed: September 17, 2020
    Publication date: November 17, 2022
    Inventor: KOJI ICHIKAWA
  • Patent number: 11500288
    Abstract: Disclosed is a resin including a structural unit represented by formula (I) and a structural unit represented by formula (a2-A), and a resist composition: wherein R1 represents a hydrogen atom or a methyl group; L1 and L2 each represent —O— or —S—; s1 represents an integer of 1 to 3; s2 represents an integer of 0 to 3; Ra50 represents a hydrogen atom, a halogen atom, or an alkyl group which may have a halogen atom; Ra51 represents a halogen atom, a hydroxy group, an alkyl group, an alkoxy group, an alkylcarbonyl group or the like; Aa50 represents a single bond or *—Xa51-(Aa52-Xa52)nb—; Aa52 represents an alkanediyl group; Xa51 and Xa52 each represent —O—, —CO—O— or —O—CO—; nb represents 0 or 1; and mb represents an integer of 0 to 4.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: November 15, 2022
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Mutsuko Higo, Shingo Fujita, Koji Ichikawa
  • Patent number: 11499510
    Abstract: In an engine system including an engine, and an exhaust gas recirculation device including a communicating pipe that communicates an exhaust pipe of the engine with an intake pipe, and a valve provided in the communicating pipe, and an electronic control unit, and its control method, the electronic control unit estimates the pressure in the intake pipe as an estimated intake pressure, and performs a jamming diagnosis to determine whether foreign matter is stuck in the valve, by comparing an intake pressure difference between a detected intake pressure and the estimated intake pressure with a threshold value, when a diagnosis condition including an opening change condition that the target opening becomes equal to or larger than a first predetermined opening and then becomes equal to or smaller than a second predetermined opening that is smaller than the first predetermined opening is satisfied.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: November 15, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji Ichikawa, Hisayuki Itoh, Hirokazu Kato, Masaaki Yamaguchi
  • Publication number: 20220348541
    Abstract: Disclosed are a salt represented by formula (I), an acid generator, and a resist composition including the same: wherein R1, R2 and R3 each represent a hydroxy group, *—O—R10, *—O—CO—O—R10, etc.; L10 represents an alkanediyl group; R10 represents an acid-labile group; R4, R5, R6, R7, R8 and R9 each represent a halogen atom, a haloalkyl group or a hydrocarbon group; A1, A2 and A3 each represent a hydrocarbon group which may have a substituent, and —CH2— included in the hydrocarbon group may be replaced by —O—, —CO—, —S— or —SO2—; m1 represents an integer of 1 to 5, m2, m3, m8 and m9 represent an integer of 0 to 5, m4 to m7 represent an integer of 0 to 4, 1?m1+m7?5, 0?m2+m8?5, 0?m3+m9?5; and AI? represents an organic anion.
    Type: Application
    Filed: April 12, 2022
    Publication date: November 3, 2022
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Katsuhiro KOMURO, Koji ICHIKAWA
  • Patent number: 11474431
    Abstract: A compound represented by the formula (I):
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: October 18, 2022
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tatsuro Masuyama, Katsuhiro Komuro, Koji Ichikawa
  • Publication number: 20220328461
    Abstract: A light-emitting device of the present invention includes a plurality of substrates, an insulating portion, and an insulating upper surface coating film. The plurality of metal substrates are placed side by side to be separated from one another. The insulating portion is made of ceramic and fills the clearance. The insulating upper surface coating film is formed so as to integrally cover respective one substrate surfaces of the plurality of substrates and has an opening portion that spreads over the one substrate surface of one substrate among the plurality of substrates and the one substrate surface of another substrate adjacent to the one substrate across the clearance. The opening portion exposes an element placing region for placing an element.
    Type: Application
    Filed: March 28, 2022
    Publication date: October 13, 2022
    Applicant: Stanley Electric Co., Ltd.
    Inventors: Koji ICHIKAWA, Hiroshi NAKAI
  • Patent number: 11467490
    Abstract: Disclosed are a salt represented by formula (I), and an acid generator and a resist composition which include the same: wherein R1 represents a fluorine atom or a fluorinated alkyl group; R2, R3 and R4 each represent a halogen atom, a fluorinated alkyl group or a hydrocarbon group; m2 and m3 represent an integer of 0 to 4; m4 represents an integer of 0 to 5; Q1 and Q2 each represent a fluorine atom or a perfluoroalkyl group; L1 represents a saturated hydrocarbon group, —CH2- included in the group may be replaced by —O— or —CO—, and a hydrogen atom included in the group may be substituted with a fluorine atom or a hydroxy group; Y1 represents a methyl group which may have a substituent or an alicyclic hydrocarbon group which may have a substituent.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: October 11, 2022
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tatsuro Masuyama, Yukako Anryu, Koji Ichikawa
  • Publication number: 20220291583
    Abstract: Provided are a salt capable of producing a resist pattern with satisfactory line edge roughness (LER), an acid generator, and a resist composition. Disclosed are a salt represented by formula (I), an acid generator, and a resist composition comprising the same: wherein, in formula (I), R4, R3, R6, R7, R8 and R9 each represent a halogen atom, a haloalkyl group or a hydrocarbon group; A1, A2 and A3 each represent a hydrocarbon group, etc.; m1 represents an integer of 1 to 5, m2, m3, m4, m5, m6, m8 and m9 represent an integer of 0 to 5, and m7 represents an integer of 0 to 4, in which 1?m1+m7?5, 0?m2+m8?5, 0?m3+m9?5; and AI? represents an organic anion.
    Type: Application
    Filed: February 9, 2022
    Publication date: September 15, 2022
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Katsuhiro KOMURO, Jun OGUMA, Koji ICHIKAWA
  • Patent number: 11429025
    Abstract: A salt represented by formula (I), a quencher, and a resist composition including the same: wherein R1, R2, R3 and R4 each represent a halogen atom, an alkyl fluoride group having 1 to 6 carbon atoms or a hydrocarbon group having 1 to 18 carbon atoms, —CH2— included in the hydrocarbon group may be replaced by —O— or —CO—; and m1, m2, m3 and m4 represent an integer of 0 to 4. When m1 is 2 or more, a plurality of R1 may be the same or different from each other. When m2 is 2 or more, a plurality of R2 may be the same or different from each other. When m3 is 2 or more, a plurality of R3 may be the same or different from each other. When m4 is 2 or more, a plurality of R4 may be the same or different from each other.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: August 30, 2022
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Katsuhiro Komuro, Yuki Takahashi, Koji Ichikawa
  • Patent number: 11385542
    Abstract: A salt is represented by formula (I). In formula (I), R1, R2 and R3 each independently represent a halogen atom, a perfluoroalkyl group having 1 to 6 carbon atoms or a hydrocarbon group having 1 to 12 carbon atoms, and —CH2— included in the hydrocarbon group may be replaced by —O— or —CO—, m1 represents an integer of 0 to 4, and when m1 is 2 or more, a plurality of R1 may be the same or different from each other, m2 represents an integer of 0 to 4, and when m2 is 2 or more, a plurality of R2 may be the same or different from each other, and m3 represents an integer of 0 to 4, and when m3 is 2 or more, a plurality of R3 may be the same or different from each other.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: July 12, 2022
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Katsuhiro Komuro, Yuki Takahashi, Koji Ichikawa
  • Patent number: 11378883
    Abstract: A salt represented by formula (I): In formula (I), R1, R2, R3 and R4 each independently represent a halogen atom or a perfluoroalkyl group having 1 to 6 carbon atoms, R5, R6 and R7 each independently represent a halogen atom, a hydroxy group, a fluorinated alkyl group having 1 to 6 carbon atoms or an alkyl group having 1 to 12 carbon atoms, and —CH2— included in the alkyl group may be replaced by —O— or —CO—, m5 represents an integer of 0 to 3, m6 represents an integer of 0 to 3, m7 represents an integer of 0 to 3, R8 and R9 each independently represent a hydrogen atom or an alkyl group having 1 to 12 carbon atoms, and —CH2— included in the alkyl group may be replaced by —O— or —CO—, and Al? represents an organic anion.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: July 5, 2022
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yukako Anryu, Koji Ichikawa
  • Publication number: 20220206383
    Abstract: A salt represented by formula (I): In formula (I), R1, R2, R3 and R4 each independently represent a halogen atom or a perfluoroalkyl group having 1 to 6 carbon atoms, R5, R6 and R7 each independently represent a halogen atom, a hydroxy group, a fluorinated alkyl group having 1 to 6 carbon atoms or an alkyl group having 1 to 12 carbon atoms, and —CH2— included in the alkyl group may be replaced by —O— or —CO—, m5 represents an integer of 0 to 3, m6 represents an integer of 0 to 3, m7 represents an integer of 0 to 3, R8 and R9 each independently represent a hydrogen atom or an alkyl group having 1 to 12 carbon atoms, and —CH2— included in the alkyl group may be replaced by —O— or —CO—, and AI? represents an organic anion.
    Type: Application
    Filed: April 8, 2019
    Publication date: June 30, 2022
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yukako ANRYU, Koji ICHIKAWA